<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			
			var x =10;
			var y = 20;
			console.log(x+y);
			
			var a=10,b=20;
			console.log(a*b);
			
			console.log(x); 
			var x = 100;
			console.log(x);
			console.log(typeof(x));
			
			var x ="abc";
			console.log(x);
			console.log(typeof(x));
		</script>
	</head>
	
	<body>
	</body>
</html>
